llvm-6502/test/Transforms/InstCombine/strncpy-2.ll

; Test that the strncpy library call simplifier works correctly.
;
; RUN: opt < %s -instcombine -S | FileCheck %s

target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"

@hello = constant [6 x i8] c"hello\00"
@a = common global [32 x i8] zeroinitializer, align 1

declare i16* @strncpy(i8*, i8*, i32)

; Check that 'strncpy' functions with the wrong prototype aren't simplified.

define void @test_no_simplify1() {
; CHECK-LABEL: @test_no_simplify1(
  %dst = getelementptr [32 x i8]* @a, i32 0, i32 0
  %src = getelementptr [6 x i8]* @hello, i32 0, i32 0

  call i16* @strncpy(i8* %dst, i8* %src, i32 6)
; CHECK: call i16* @strncpy
  ret void
}
instcombine: Migrate strncpy optimizations This patch migrates the strncpy optimizations from the simplify-libcalls pass into the instcombine library call simplifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167102 91177308-0d34-0410-b5e6-96231b3b80d8 2012-10-31 03:33:00 +00:00			`; Test that the strncpy library call simplifier works correctly.`
			`;`
			`; RUN: opt < %s -instcombine -S \| FileCheck %s`

			`target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"`

			`@hello = constant [6 x i8] c"hello\00"`
			`@a = common global [32 x i8] zeroinitializer, align 1`

			`declare i16* @strncpy(i8, i8, i32)`

			`; Check that 'strncpy' functions with the wrong prototype aren't simplified.`

			`define void @test_no_simplify1() {`
Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. This update was done with the following bash script: find test/Transforms -name ".ll" \| \ while read NAME; do echo "$NAME" if ! grep -q "^; RUN: llc" $NAME; then TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]@\([A-Za-z0-9_]\)(.$/\1/p" < $NAME \| \ while read FUNC; do sed -i '' "s/;\(.\)\([A-Za-z0-9_]\):\( \)@$FUNC\([( ]\)\$/;\1\2-LABEL:\3@$FUNC(/g" $TEMP done mv $TEMP $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8 2013-07-14 01:42:54 +00:00			`; CHECK-LABEL: @test_no_simplify1(`
instcombine: Migrate strncpy optimizations This patch migrates the strncpy optimizations from the simplify-libcalls pass into the instcombine library call simplifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167102 91177308-0d34-0410-b5e6-96231b3b80d8 2012-10-31 03:33:00 +00:00			`%dst = getelementptr [32 x i8]* @a, i32 0, i32 0`
			`%src = getelementptr [6 x i8]* @hello, i32 0, i32 0`

			`call i16* @strncpy(i8* %dst, i8* %src, i32 6)`
			`; CHECK: call i16* @strncpy`
			`ret void`
			`}`